The guests arriving
This afternoon, the guests taking part in this weekend's birthday celebrations arrived in Oslo.
The celebration started with a gala concert at Oslo City Hall.
Gala concert at Oslo City Hall
Most of the guests attended the gala concert at Oslo city hall, a concert in honour of Their Majesties The King and Queen. The concert is a gift to The King and Queen from all the counties and municipalities of Norway.
Later this evening, the Royal guests and Heads of state are invited to dinner at Their Royal Highnesses the Crown Prince and Crown Princess' etstate Skaugum.
Congratulations from His Majesty King Harald to the new President of the Republic of the Philippines, His Excellency Mr. Ferdinand Romualdez Marcos Jr.
Laid flowers at London Pub
The Crown Prince, the Crown Princess and Prince Sverre Magnus were among the many people who contributed to a sea of colourful flowers and rainbow flags outside the London Pub in Oslo on Saturday.